| 1 | 合い口 (あいくち) |
| (n) (1) chum |
| 2 | 合口 (あいくち) |
| (n) (1) chum |
| 3 | 開いた口が塞がらない (あいたくちがふさがらない) |
| (exp) to be stunned into silence |
| 4 | あいた口が塞がらぬ (あいたくちがふさがらぬ) |
| (exp) to be surprising |
| 5 | あいた口も塞がらぬ (あいたくちもふさがらぬ) |
| (v5n) to be surprising |
| 6 | 上がり口 (あがりくち) |
| (n) entrance |
| 7 | 悪たれ口 (あくたれぐち) |
| (n) abuse |
| 8 | 後口 (あとくち) |
| (n) (1) aftertaste |
| 9 | あと口 (あとくち) |
| (n) (1) aftertaste |
| 10 | 甘口 (あまくち) |
| (adj-na,n) (1) sweet flavour |
| 11 | 甘口に乗る (あまくちにのる) |
| (exp) to be taken in by flattery |
| 12 | 異口同音 (いくどうおん) |
| (n) in concert |
| 13 | 異口同音に (いくどうおんに) |
| (adv) in one voice |
| 14 | 一口同音 (いっくどうおん) |
| (n) reading in unison |
| 15 | 糸口を開く (いとぐちをひらく) |
| (exp) to find a clue |
| 16 | 入り口 (いりくち) |
| (n) entrance |
| 17 | 入口 (いりくち) |
| (n) entrance |
| 18 | 入口点 (いりくちてん) |
| (n) entry point |
| 19 | 入り口点 (いりくちてん) |
| (n) entry point |
| 20 | うす口 (うすくち) |
| (n) light (flavor, flavour) |
| 21 | 薄口 (うすくち) |
| (n) light (flavor, flavour) |
| 22 | 売れ口 (うれくち) |
| (n) outlet |
| 23 | 演説口調 (えんぜつくちょう) |
| (n) oratorical tone |
| 24 | 大口をたたく (おおぐちをたたく) |
| (exp) to brag |
| 25 | 下り口 (おりくち) |
| (n) top of a flight of stairs |
| 26 | 降り口 (おりくち) |
| (n) top of a flight of stairs |
| 27 | 折れ口 (おれくち) |
| (n) a fold or crease |
| 28 | 貝殻状割れ口 (かいがらじょうわれくち) |
| (n) conchoidal fracture |
| 29 | 掻き口説く (かきくどく) |
| (v5k,vi) to complain |
| 30 | 陰口をたたく (かげぐちをたたく) |
| (exp) to backbite |
| 31 | 陰口を叩く (かげぐちをたたく) |
| (exp) to backbite |
| 32 | 片口 (かたくち) |
| (n) type of bowl |
| 33 | 片口鰯 (かたくちいわし) |
| (n) anchovy |
| 34 | 語り口 (かたりくち) |
| (n) way of reciting |
| 35 | 辛口 (からくち) |
| (n,adj-no) (1) dry taste (e.g. sake, wine) |
| 36 | 辛口の酒 (からくちのさけ) |
| (n) dry sake |
| 37 | 軽口 (かるくち) |
| (n,adj-no) talkative |
| 38 | 軽口話 (かるくちばなし) |
| (n) light jest or story |
| 39 | 軽口を叩く (かるくちをたたく) |
| (exp) to crack jokes |
| 40 | 箝口令を敷く (かんこうれいをしく) |
| (exp,v5k) to impose a gag order |
| 41 | 箝口令をしく (かんこうれいをしく) |
| (exp,v5k) to impose a gag order |
| 42 | 緘口令を敷く (かんこうれいをしく) |
| (exp) to impose a gag rule |
| 43 | 急須の口 (きゅうすのくち) |
| (n) spout of a teapot |
| 44 | 切り口 (きりくち) |
| (n) cut end |
| 45 | 切れ口 (きれくち) |
| (n) cut end |
| 46 | 金口木舌 (きんこうぼくぜつ) |
| (n) (public) opinion leader |
| 47 | 金口木舌 (きんこうもくぜつ) |
| (n) (public) opinion leader |
| 48 | 空気口 (くうきこう) |
| (n) vent |
| 49 | 口授 (くうじゅ) |
| (n,vs) oral instruction or teaching or method |
| 50 | 口授 (くじゅ) |
| (n,vs) oral instruction or teaching or method |
| 51 | 口受 (くじゅ) |
| (n) listening to someone talking |
| 52 | 口舌 (くぜつ) |
| (n) talking recklessly |
| 53 | 口説 (くぜつ) |
| (n) lover's tiff |
| 54 | 口 (くち) |
| (n) mouth |
| 55 | 口明け (くちあけ) |
| (n) start |
| 56 | 口開け (くちあけ) |
| (n) opening |
| 57 | 口当たり (くちあたり) |
| (n) (1) taste |
| 58 | 口荒 (くちあら) |
| (adj-na,n) rough speaking |
| 59 | 口荒く (くちあらく) |
| (adv) violently |
| 60 | 口争い (くちあらそい) |
| (n,vs) quarreling |
| 61 | 口あんぐり (くちあんぐり) |
| (n) dumbfounded |
| 62 | 口入れ (くちいれ) |
| (n,vs) acting as go-between |
| 63 | 口入れ屋 (くちいれや) |
| (n) employment agency |
| 64 | 口写し (くちうつし) |
| (n) repeat mindlessly |
| 65 | 口移し (くちうつし) |
| (n) mouth-to-mouth feeding |
| 66 | 口裏 (くちうら) |
| (n) determining a speaker's true or hidden meaning |
| 67 | 口占 (くちうら) |
| (n) gathering from another's words |
| 68 | 口裏を合わせる (くちうらをあわせる) |
| (exp) to arrange beforehand to tell the same story |
| 69 | 口煩い (くちうるさい) |
| (adj) nagging |
| 70 | 口うるさい (くちうるさい) |
| (adj) nagging |
| 71 | 口煩さい (くちうるさい) |
| (adj) nagging |
| 72 | 口絵 (くちえ) |
| (n) frontispiece |
| 73 | 口可笑 (くちおかし) |
| (n) witty talking |
| 74 | 口惜しい (くちおしい) |
| (adj) regrettable |
| 75 | 口重 (くちおも) |
| (adj-na,n) slow of speech |
| 76 | 口重い (くちおもい) |
| (adj) slow of speech |
| 77 | 口数 (くちかず) |
| (n) number of dependents (words, shares, accounts) |
| 78 | 口数が多い (くちかずがおおい) |
| (exp) talkative |
| 79 | 口数が少ない (くちかずがすくない) |
| (exp) taciturn |
| 80 | 口数の多い (くちかずのおおい) |
| (adj) talkative |
| 81 | 口数の少ない (くちかずのすくない) |
| (adj) taciturn |
| 82 | 口枷 (くちかせ) |
| (n) (vulg) (mouth) gag |
| 83 | 口から漏れる (くちからもれる) |
| (exp) to pass from one's lips |
| 84 | 口が巧い (くちがうまい) |
| (exp,adj) honeymouthed |
| 85 | 口が上手い (くちがうまい) |
| (exp,adj) honeymouthed |
| 86 | 口がうまい (くちがうまい) |
| (exp,adj) honeymouthed |
| 87 | 口が多い (くちがおおい) |
| (exp,adj) having a large family to support |
| 88 | 口が重い (くちがおもい) |
| (exp,adj) incommunicative |
| 89 | 口が堅い (くちがかたい) |
| (exp) tight-lipped |
| 90 | 口が軽い (くちがかるい) |
| (exp,adj) having a loose tongue |
| 91 | 口書き (くちがき) |
| (n,vs) writing with the brush in the mouth |
| 92 | 口が肥える (くちがこえる) |
| (exp) to be used to eating the best |
| 93 | 口が過ぎる (くちがすぎる) |
| (exp) to say something better left unsaid |
| 94 | 口が酸っぱくなる (くちがすっぱくなる) |
| (exp) to say the same thing over and over again |
| 95 | 口が滑る (くちがすべる) |
| (exp) to make a slip of the tongue |
| 96 | 口が辷る (くちがすべる) |
| (oK) (exp) to make a slip of the tongue |
| 97 | 口固い (くちがたい) |
| (adj) discreet |
| 98 | 口堅い (くちがたい) |
| (adj) discreet |
| 99 | 口固め (くちがため) |
| (n,vs) verbal promise |
| 100 | 口金 (くちがね) |
| (n) (1) (metal) cap |